Stir bacon bits, green onion or chives, and cheese into potatoes.
Fill wonton wrappers with about 1 Tbsp potato filling. Brush with water on all outside edges, roll up and seal adding a bit with more water if needed to seal.
Preheat 2 inches of oil to 375°F in a medium-size skillet. Fry in batches for 3-4 minutes, until crispy golden. Drain on a cooling rack covered with a paper towel.
Serve immediately with sour cream or your favorite dip.